/** a person with name and age*/
public class Person {
 private Name name;
 private int age;
 
 public Person(){
  name=null;
  age=0;
 }//end default constructor
 
 public Person(Name personName,int personAge){
  name=personName;
  age=personAge;
 }//end constructor
 
 public void setName(Name personName){
  name=personName;
 }//end setName
 
 public Name getName(){
  return name;
 }//end getName
 
 public void setAge(int personAge){
  age=personAge;
 }//end setAge
 
 public int getAge(){
  return age;
 }//end getAge
 
 public boolean equals(Person otherPerson){
  if(name==otherPerson.name && age==otherPerson.age)
   return true;
  else
   return false;
 }
 
 public boolean older(Person otherPerson){
  if(age>=otherPerson.age)
   return true;
  else
   return false;
 }
 
 public String toString(){
  return name+" "+age;
 }
 
 public static void main(String[] args){
  Name jack1Name=new Name("Jack","John");
  Name jack2Name=new Name("Jack","Johnson");
     Person jack1=new Person(jack1Name,22);
     Person jack2=new Person(jack2Name,21);
     if(jack1.equals(jack2))
      System.out.println("The same person.");
     else
      System.out.println("Not the same person.");
     if(jack1.older(jack2))
      System.out.println(jack1.getName().toString()+" is older than "
        +jack2.getName().toString()+".");
     else
      System.out.println(jack1.getName().toString()+" is younger than " +
        "or with the same age of "+jack2.getName().toString()+".");
 }
}

Result

Not the same person.
Jack John is older than Jack Johnson.